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Oil Free Bushings - High Precision
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- Volume Discount
- Oil Free Bushings - High Precision
- The series including of BFLB.
- Bushing Material: Base Material Aluminium Alloy 2000 series .
- Sliding Material: Fluororesin (* Base and sliding materials are bonded.)
- Inner Diameter: 4, 5, 6, 8, 10, 12 and 16.
- Overall Length (L): 5, 6, 8, 10, 12, 15, 20 and 25.
- Operating Temperature Range: -50 to 140 (°C)
- Loctite (thread locking adhesive) is recommended to affix bushings.
- Applicable to linear and rotary motion.
- BFLB is specifically effective if the mating material is soft such as stainless steel, aluminum, brass, etc.
(i)Caution
- [Specification Change] The color of the sliding section will be changed sequentially starting in June 2025. Please see here for details.
- Please check the content on our website as the PDF does not contain the most up-to-date information.
Part Number
Configured Part Number is shown.
Dimensional Drawing
· Excels in abrasion resistance with the relative wear amount: 1.6 × 10-7 mm3/N⋅m. (It varies depending on conditions of use.)
[ ! ] Loctite (thread locking adhesive) is recommended to secure bushings.
Product Specifications
| [M] Material: base material | 2000 Series Aluminum Alloy |
| Sliding Material | Fluororesin |
| Electrical Conductivity | Not provided |
| Allowable Temperature | −50 to 140°C |
Specification Table
| Part Number | — | L |
| BFLB10 | — | 10 |
| Part Number | L | D | T | ||||||||||||
| Type | d | Tolerance | |||||||||||||
| BFLB | 3 | ＋0.02 0 | 3 | 4 | 5 | 6 | 8 | 6 | 0 −0.015 | 1.5 | |||||
| 4 | 3 | 4 | 5 | 6 | 8 | 10 | 7 | ||||||||
| 5 | 3 | 4 | 5 | 6 | 8 | 10 | 8 | ||||||||
| 6 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 9 | |||||||
| 8 | 6 | 8 | 10 | 12 | 15 | 11 | |||||||||
| 10 | 6 | 8 | 10 | 12 | 15 | 20 | 13 | ||||||||
| 12 | 6 | 8 | 10 | 12 | 15 | 20 | 15 | ||||||||
| 13 | 8 | 10 | 12 | 15 | 20 | 16 | |||||||||
| 15 | 8 | 10 | 12 | 15 | 20 | 18 | 0 −0.020 | ||||||||
| 16 | 10 | 12 | 15 | 20 | 25 | 19 | |||||||||
| 18 | 10 | 12 | 15 | 20 | 25 | 21 | |||||||||
| 20 | 10 | 12 | 15 | 20 | 25 | 23 | |||||||||
Recommended Mating Material Dimension
Part Number | Recommended Mating Material Dimension | ||||||
TYPE | d | Shaft O.D. (mm) | Tolerance Class | Tolerance (μm) | Housing Dia. (mm) | Tolerance Class | Tolerance (μm) |
BFLB | 3 | 3 | f8 | -6/-20 | 6 | F7 | +10/+22 |
4 | 4 | -10/-28 | 7 | +13/+28 | |||
5 | 5 | -10/-28 | 8 | +13/+28 | |||
6 | 6 | -10/-28 | 9 | +13/+28 | |||
8 | 8 | -13/-35 | 11 | +16/+34 | |||
10 | 10 | -13/-35 | 13 | +16/+34 | |||
12 | 12 | -16/-43 | 15 | +16/+34 | |||
13 | 13 | -16/-43 | 16 | +16/+34 | |||
15 | 15 | -16/-43 | 18 | +16/+34 | |||
16 | 16 | -16/-43 | 19 | +20/+41 | |||
18 | 18 | -16/-43 | 21 | +20/+41 | |||
20 | 20 | -20/-53 | 23 | +20/+41 | |||
Product Specifications
Material Properties and Environmental Tolerances (Reference)
| High Precision | ||
| Lubrication | Unlubricated | |
| Permissible maximum surface pressure | 6 N/mm2 | 61 kgf/cm2 |
| Permissible maximum speed | 3.33 m/s | 200 m/min |
| Maximum Allowable PV Value | 0.98 N/mm2⋅m/s | 600 kgf/cm2⋅m/min |
Environmental Conditions
| In Air | ○ |
| In Oil | × |
| In Water | × |
| In Seawater | × |
| In Chemicals | × |
| In Corrosive Atmosphere | ○ |
Mechanical Properties (Reference Value)
| Characteristics | Value | Testing Method |
| Tensile Strength | 12 N/mm2 [1.2 kgf/mm2] | ASTM D 638 |
| Elongation | 171% | ASTM D 638 |
| Hardness | HDD62 | ASTM D 2240 |
| Linear Thermal Expansion Coefficient | 9 to 9.75 × 10－5°C－1 | ASTM D 696 |
| Specific Gravity | 1.98 | ASTM D 792 |
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
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- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Overall Length L (mm) |
|---|---|---|---|---|---|---|---|---|
MYR 64.99 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 4 | 7 | 5 | |
MYR 64.99 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 4 | 7 | 6 | |
MYR 65.47 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 5 | 8 | 5 | |
MYR 65.47 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 5 | 8 | 6 | |
MYR 66.10 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 5 | 8 | 8 | |
MYR 59.40 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 6 | 9 | 5 | |
MYR 59.40 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 6 | 9 | 6 | |
MYR 60.59 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 6 | 9 | 8 | |
MYR 63.35 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 6 | 9 | 10 | |
MYR 63.35 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 6 | 9 | 12 | |
MYR 65.47 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 8 | 11 | 6 | |
MYR 65.47 | 1 Piece(s) | Available | 1 Day(s) or more | 10 | 8 | 11 | 8 | |
MYR 69.10 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 8 | 11 | 10 | |
MYR 69.10 | 1 Piece(s) | Available | 6 Day(s) or more | 10 | 8 | 11 | 12 | |
MYR 69.10 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 8 | 11 | 15 | |
MYR 65.47 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 10 | 13 | 6 | |
MYR 66.10 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 10 | 13 | 8 | |
MYR 72.74 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 10 | 13 | 10 | |
MYR 72.74 | 1 Piece(s) | Available | 6 Day(s) or more | 10 | 10 | 13 | 12 | |
MYR 72.74 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 10 | 13 | 15 | |
MYR 93.35 | 1 Piece(s) | Available | 6 Day(s) or more | 10 | 10 | 13 | 20 | |
MYR 72.74 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 12 | 15 | 10 | |
MYR 72.74 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 12 | 15 | 12 | |
MYR 73.82 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 12 | 15 | 15 | |
MYR 93.35 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 12 | 15 | 20 | |
MYR 112.37 | 1 Piece(s) | Available | 6 Day(s) or more | 10 | 16 | 19 | 15 | |
MYR 129.72 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 16 | 19 | 20 | |
MYR 129.72 | 1 Piece(s) | Available | 6 Day(s) or more | 10 | 16 | 19 | 25 |
Loading...
Basic Information
| Type | Straight | Multi-layer | Fluororesin is bonded on the base material (Aluminium Alloy 2000 series). | Max. Allowable Surface Pressure P(N/mm2) | 6 |
|---|---|---|---|---|---|
| Maximum Allowable Velocity(m/s) | 3.33 | Max. Allowable PV Value Range(N/mm2・m/s) | 0.3~1.0 | Max. Allowable PV Value(N/mm2•m/s) | 0.98 |
| Operating Temperature Range(°C) | -50::140 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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